1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
Date Exercisable |
Expiration Date |
Title |
Amount or Number of Shares |
Stock Option (right to buy)
|
Â
(2)
|
05/07/2012 |
Common Stock
|
15,000
(9)
|
$
3.9
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
01/28/2013 |
Common Stock
|
30,000
(10)
|
$
5.07
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(4)
|
04/24/2013 |
Common Stock
|
20,000
(11)
|
$
5.43
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(5)
|
05/03/2014 |
Common Stock
|
25,000
(12)
|
$
7.18
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(6)
|
01/14/2015 |
Common Stock
|
15,000
(13)
|
$
4.44
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(7)
|
03/02/2015 |
Common Stock
|
50,000
(14)
|
$
4.14
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(8)
|
03/29/2016 |
Common Stock
|
30,000
(15)
|
$
7.24
|
D
|
Â
|
* |
If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** |
Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
Included in these shares are 29,833 shares of unvested restricted stock, of which 25,000 shares shall vest on 10/6/2006 and 4,833 shall vest on 3/20/2007. |
(2) |
These shares were granted on 5/7/2002 and vest 1/48 per month for 48 months. |
(3) |
These shares were granted on 1/28/2003 an vest 1/48 per month for 48 months. |
(4) |
These shares were granted on 4/24/2003 and vest 1/48 per month for 48 months. |
(5) |
These shares were granted on 5/3/2004 and vest 1/48 per month for 48 months. |
(6) |
These shares were granted on 1/14/2005 and vest 1/24 per month for 24 months. |
(7) |
These shares were granted on 3/2/2005 and vest 1/48 per month for 48 months. |
(8) |
These shares were granted on 3/29/2006 and vest 1/48 per month for 48 months. |
(9) |
These shares consist of 14,687 shares that are vested and exercisable and 313 shares that have not yet vested. |
(10) |
These shares consist of 23,750 shares that are vested and exercisable and 6,250 shares that have not yet vested. |
(11) |
These shares consist of 14,582 shares that are vested and exercisable and 5,418 shares that have not yet vested. |
(12) |
These shares consist of 11,977 shares that are vested and exercisable and 13,023 shares that have not yet vested. |
(13) |
These shares consist of 9,375 shares that are vested and exercisable and 5,625 shares that have not yet vested. |
(14) |
These shares consist of 13,541 shares that are vested and exercisable and 36,459 shares that have not yet vested. |
(15) |
These shares consist of 30,000 shares that have not yet vested. |